*DOUBLE JEOPARDY!!!* *ANSWER BOTH QUESTIONS* A quantity that is fully described by both magnitude and direction is referred to as this. Magnitude is a fancy word that means this.
What is vector; size.
100
Speed at a given instant in time; shown on a car's speedometer.
What is instantaneous speed?
100
* DOUBLE JEOPARDY! * A car travels 98 meters in 10 seconds. What is the average speed of the car during this 10-second interval?
What is 9.8 m/s ?
100
Type of friction that exists between objects that are at rest or not moving.
What is static friction?
100
This is the most reactive metal on the Periodic Table of Elements.
What is Francium (Fr) ?
200
Which of the following are scalar quantities? Distance, Displacement, Speed, Velocity and Acceleration.
What are distance and speed?
200
*DOUBLE JEOPARDY!* List and define 3 of the 4 types of friction.
What is static friction: between objects that are at rest; sliding friction: between objects that slide past each other; rolling friction: between rolling objects; fluid friction: between fluids or air.
200
What is the momentum of a 1,200 kg train traveling at 15 m/s east?
What is 18,000 kg per m/s due east?
200
Air resistance is a type of this type of friction.
What is fluid friction?
200
* DOUBLE JEOPARDY! * This is the formula to calculate momentum. Momentum is a scalar or vector quantity?
What is p = mv or momentum = mass x velocity and it is vector.
300
This type of quantity is fully described by size or magnitude alone.
What is scalar?
300
The tendency of an object to resist a change in motion. (At rest - stays at rest....in motion - stays in motion)
What is inertia?
300
What is the total distance traveled by an object that moves with an average speed of 6 m/s for 8 seconds?
What is 48 meters?
300
Friction is a force that ________ the motion of an object.
What is opposes?
300
Newton's first law of motion is sometimes referred to as this law of this.
What is inertia?
400
This is the SI unit for mass; this is the SI unit for time; this is the SI unit for length.
What is kilogram, second, and meter.
400
Describe the difference between average and instantaneous speed.
What is average speed is the total distance divided by the total time. Instantaneous speed is speed at a given moment in time.
400
What is the acceleration of a car that travels in a straight line at a constant speed?
What is 0 ?
400
Rolling friction is greater or less than the force of static friction?
What is less?
400
For every action there is an equal and opposite _________, according to Newton's ___ law.
What is reaction; third.
500
Which pair of terms are vector quantities?
A. force and mass
B. distance and displacement
C. momentum and acceleration
D. speed and velocity
What is C. momentum and acceleration?
500
A push or pull that acts on an object; this is the SI unit for this quantity.
What is a force? Newtons?
500
What is the force of attraction between a planet and a 17kg mass that is falling freely toward the surface of the planet at 8.8 meters per second squared?
What is 150 N?
500
Define friction and list the 4 types of friction.
What is a force that opposes the motion of objects; static, fluid, rolling, and sliding.